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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Fochville in South Africa

Earthquake location -26.5119S, 27.4886WA light earthquake magnitude 4.3 (ml/mb) has struck on Friday, 2 kilometers (1 miles) from Fochville in South Africa. Exact location of earthquake, longitude 27.4886 East, latitude -26.5119 South, depth = 5 km. Event id: us10005eag. Ids that are associated to the earthquake: us10005eag. The temblor was reported at 00:32:05 / 12:32 am (local time epicenter). The epicenter of the earthquake was roughly 5 km (3 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 28/04/16 / 2016-04-28 22:32:05 / April 28, 2016 @ 10:32 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Close country/countries that might be effected, South Africa (c. 49 000 000 pop). Event epicenter was 65 km (40 miles) from Johannesburg (c. 2 026 500 pop), 46 km (28 miles) from Soweto (c. 1 695 000 pop), 90 km (56 miles) from Benoni (c. 605 300 pop), 47 km (29 miles) from Vereeniging (c. 474 700 pop), 84 km (52 miles) from Boksburg (c. 445 200 pop), 55 km (34 miles) from Krugersdorp (c. 378 800 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Koster, Brakpan, Benoni.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days three earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 2 km SSW of Fochville, South Africa.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 27.4886° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -26.5119° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 2km SSW of Fochville, South Africa Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-04-28 22:32:05 Time when the event occurred. UTC/GMT
Updated 2016-05-20 22:03:53 Time when the event was most recently updated. UTC/GMT
Timezone offset 120 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 284 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.265 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.37 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 125 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10005eag Id of event.
Event Code 10005eag An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10005eag, A comma-separated list of event ids that are associated to an event.

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